East Fork Big Creek Dam Z- 9
East Fork Big Creek Dam Z- 9 is an earth dam located in Harrison County, Missouri, built in 1988. It carries a Low hazard potential classification.
About East Fork Big Creek Dam Z- 9
The primary purpose of East Fork Big Creek Dam Z- 9 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Harrison County Swcd (local government). It impounds the Zadie near Bethany.
The dam stands 27 feet tall and stretches 480 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 51 acre-feet, and collects water from a drainage area of 57 square miles. Completed in 1988, the structure is 38 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bethany |
| River/Stream | Zadie |
| Coordinates | 40.56982, -93.95202 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 24 ft |
| Dam Length | 480 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 57 sq mi |
| Max Discharge | 87 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | HARRISON COUNTY SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51287 |
| Federal ID | MO51287 |
| More Info | State Dam Safety Program |